3C - Halide tests |
1) State and explain the reactivity of the halogens as you go down Group 7: [4]
2) This question is about the tests of the potassium halides.
a) Complete the table below putting in the colours of the halides when silver nitrate is added [6]
Halogen |
Colour with AgNO3 |
Addition of dil / conc ammonia |
Chlorine |
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Bromine |
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Iodine |
b) Write equations for the 3 precipitate reactions [3]